[ofa-general] Re: libmlx4 wc flash

[Michael S. Tsirkin]

> Quoting Roland Dreier <rdreier at cisco.com>:
> Subject: Re: libmlx4 wc flash
> 
> By the way, do you know what the best way to flush WC buffers for i386
> is?  I know on x86-64 sfence is the way to go, and on ia64 I think we
> want fc, but I'm not sure what the right thing is for for old 32-bit
> processors.

By the way, I just re-checked and it seems that WC support first
appeared in Pentium II systems. So I think we should be able to
use sfence if WC is enabled.
   
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MST